<template>
    <div>
         {{msg}}
    </div>
</template>
  
  <script lang="ts">
  import { defineComponent,ref } from 'vue';
  
  export default defineComponent({
    name: '',
    components: {
      
    },
    setup(){
        let msg = ref('hello world!')
        return {
            msg
        }
    }
  });
  </script>
  <style lang="less" scoped>
  
  </style>
  